ABB
1-Pole 20A Bolt-On Circuit Breaker
- SKU:
- TEY120
- Availability:
- Allow 2-3 Days to Ship
- Weight:
- 0.75 LBS
Description
1-Pole 20A Bolt-On Circuit Breaker
ABB TEY120 1-Pole 20A Bolt-On Circuit Breaker is a compact TEY / Q-Line lighting panel circuit breaker designed for compatible grounded electrical distribution systems. The breaker uses a one-inch-wide-per-pole bolt-on construction with a fixed, non-interchangeable trip configuration.
Catalog number TEY120 is rated 20A with one pole and supports 120V AC, 120/240V AC, 240V AC, and 277V AC system-voltage applications. ABB's TEY platform also features quick-make / quick-break operation and easy-to-identify trip indication.
Product Highlights
- ABB TEY / Q-Line bolt-on circuit breaker
- Catalog number TEY120
- 20A ampere rating
- 1-pole configuration
- One-inch-wide-per-pole compact design
- Bolt-on mounting
- Non-interchangeable trip style
- Fixed long-time and instantaneous functions
- LI trip function
- Suitable for reverse feed
- Quick-make / quick-break mechanism
- Easy-to-spot trip indication
- HACR and HID special markings
- UL and CSA classified
Technical Specifications
| Manufacturer | ABB |
|---|---|
| Catalog Number | TEY120 |
| Product Line | TEY / Q-Line |
| Product Type | Lighting Panel Circuit Breaker |
| Mounting | Bolt-On |
| Number of Poles | 1 |
| Ampere Rating | 20A |
| Trip Style | Non-Interchangeable |
| Trip Function | LI |
| Long Time | Fixed |
| Instantaneous | Fixed |
| Continuous Current Rated | Standard |
| Reverse Feed | Suitable |
| System Voltages | 120V AC, 120/240V AC, 240V AC, 277V AC |
| 120V AC Interrupting Rating | 65 kAIC |
| 120/240V AC Interrupting Rating | 14 kAIC |
| 240V AC Interrupting Rating | 14 kAIC |
| 277V AC Interrupting Rating | 14 kAIC |
| Wire Range - Cu / Al | 14-8 / 12-8 |
| Special Markings | HACR, HID |
| GSA Compliance | Yes |
| UL File | E11592 |
| CSA File | LR57114 |
| UPC | 783164180916 |
Construction Details
The TEY120 is part of ABB's compact TEY / Q-Line bolt-on circuit breaker family. TEY breakers are approximately one inch wide per pole and are designed for compatible lighting panel and electrical distribution applications.
ABB equips TEY breakers with quick-make / quick-break mechanisms, common trip-bar construction within applicable multipole models, and visible trip indication to support dependable operation and easier troubleshooting.
The TEY120 uses a fixed, non-interchangeable trip configuration with fixed long-time and instantaneous functions.
Electrical Ratings
20A / 1-Pole
TEY120 is a 20 amp, single-pole circuit breaker for compatible electrical distribution applications.
Multiple AC Voltage Ratings
ABB lists TEY120 for 120V AC, 120/240V AC, 240V AC, and 277V AC system-voltage applications.
Interrupting Ratings
120V AC
The published interrupting rating at 120V AC is 65 kAIC.
120/240V, 240V & 277V AC
The published interrupting rating at 120/240V AC, 240V AC, and 277V AC is 14 kAIC.
Bolt-On Design
The TEY family uses a bolt-on mounting configuration for secure attachment in compatible electrical equipment.
ABB also notes that a bolt-on mounting-base accessory allows compatible TEY breakers to be used in varied applications as lug-to-lug breakers.
Always verify that the exact panelboard, mounting system, bus arrangement, and equipment listing support TEY120 before installation.
Trip & Protection Features
LI Trip Function
TEY120 uses an LI trip function with fixed long-time and instantaneous protection characteristics.
Visible Trip Indication
ABB incorporates easy-to-identify trip indication into the TEY breaker platform to assist with breaker-status identification.
Reverse Feed Suitable
ABB identifies TEY120 as suitable for reverse-feed applications when used in an approved compatible configuration.
Conductor Compatibility
ABB publishes conductor ranges for both copper and aluminum conductors for TEY120.
- Copper conductor range: 14-8
- Aluminum conductor range: 12-8
Confirm conductor material, size, preparation, and terminal torque requirements against the current ABB installation information before making electrical connections.
Special Markings & Classifications
HACR & HID
ABB identifies TEY120 with HACR and HID special markings.
UL / CSA
TEY120 is associated with UL File E11592 and CSA File LR57114.
Common Applications
Lighting Panel Applications
- Compatible lighting panelboards
- Commercial electrical distribution
- Institutional electrical systems
- Industrial lighting distribution
- Branch circuit protection
Replacement & Distribution
- Compatible TEY breaker replacement
- Electrical panel maintenance
- Distribution equipment servicing
- Compatible grounded 480Y/277V systems
- Approved lug-to-lug applications with appropriate mounting accessories
Installation & Selection Considerations
- Confirm catalog number TEY120 before ordering.
- Verify that a 20A, 1-pole breaker is required.
- Confirm the system voltage before installation.
- Verify that the available fault current does not exceed the applicable breaker interrupting rating.
- Confirm compatibility with the exact panelboard or electrical equipment.
- Verify that bolt-on mounting is required.
- Confirm conductor material and wire size.
- Follow ABB terminal torque requirements.
- Do not exceed the electrical ratings of the breaker or connected equipment.
- Maintain applicable electrical working clearances.
- De-energize equipment before installation or service.
- Verify absence of voltage before working on electrical equipment.
- Installation and service should be performed by qualified electrical personnel.
- Follow current ABB instructions and applicable electrical codes.
Product Documents
Review the ABB TEY120 product details for catalog-specific voltage ratings, interrupting ratings, trip configuration, conductor range, classifications, special markings, and manufacturer product information.
Need Help Selecting a Circuit Breaker?
Our electrical and industrial product specialists can help review your panelboard, ampere rating, system voltage, available fault current, mounting configuration, conductor requirements, and breaker compatibility before you order.
Frequently Asked Questions
What is the catalog number?
The catalog number is TEY120.
What is the ampere rating?
TEY120 is rated at 20 amps.
How many poles does TEY120 have?
TEY120 is a single-pole circuit breaker.
Is TEY120 a bolt-on breaker?
Yes. ABB identifies TEY120 as part of the TEY / Q-Line bolt-on circuit breaker family.
What voltages can TEY120 be used with?
ABB lists system-voltage ratings of 120V AC, 120/240V AC, 240V AC, and 277V AC.
What is the interrupting rating at 277V AC?
The published interrupting rating at 277V AC is 14 kAIC.
What is the interrupting rating at 120V AC?
The published interrupting rating at 120V AC is 65 kAIC.
Is TEY120 suitable for reverse feed?
Yes. ABB identifies TEY120 as suitable for reverse feed.
What trip style does TEY120 use?
TEY120 uses a non-interchangeable trip style with fixed long-time and instantaneous functions.
What special markings does TEY120 have?
ABB lists HACR and HID special markings for TEY120.
What are the UL and CSA file numbers?
ABB lists UL File E11592 and CSA File LR57114.
Where can I review the exact ABB specifications?
The ABB TEY120 Product Details PDF is linked in the Product Documents section above.
Important Ordering & Installation Notes
- Product: 1-Pole 20A Bolt-On Circuit Breaker.
- Manufacturer: ABB.
- Catalog number: TEY120.
- Product line: TEY / Q-Line.
- Number of poles: 1.
- Ampere rating: 20A.
- Mounting: Bolt-on.
- Trip style: Non-interchangeable.
- Trip function: LI.
- System voltages: 120V AC, 120/240V AC, 240V AC, 277V AC.
- 120V AC interrupting rating: 65 kAIC.
- 120/240V AC interrupting rating: 14 kAIC.
- 240V AC interrupting rating: 14 kAIC.
- 277V AC interrupting rating: 14 kAIC.
- Suitable for reverse feed: Yes.
- Special markings: HACR, HID.
- UL File: E11592.
- CSA File: LR57114.
- UPC: 783164180916.
- Confirm equipment compatibility and available fault current before ordering.
- Verify conductor and terminal requirements before installation.
- De-energize equipment before installation or service.
- Installation should be performed by qualified electrical personnel.
- Follow current ABB instructions and applicable electrical codes.
